Air outlet device for motor vehicle comprising a deflector

Abstract

This device includes at least one peripheral wall ( 2, 6, 8 ) forming an air duct ( 4 ) and at least one first fin ( 10 ) rotatably mobile around a substantially longitudinal axis (A), at least one second fin ( 12 ) rotatably mobile around a substantially transverse axis (B), and at least one deflector ( 18 ) extending upstream of the second fin ( 12 ) and being rotatably mobile around a substantially transverse axis (C), the downstream end portion ( 20 ) of the deflector ( 18 ) being fastened to the upstream end portion ( 22 ) of the second fin ( 12 ) via a hinge ( 24 ). The axis of rotation (C) of the deflector ( 18 ) is mounted in at least one slot ( 28 ) of the peripheral wall ( 2, 6, 8 ), the slot ( 26 ) extending along a path at least partially not parallel to the upstream-downstream direction of the air duct ( 4 ).

The invention claimed is: 
     
       1. An air outlet device for a motor vehicle ventilation system, comprising:
 at least one peripheral wall forming an air duct; 
 at least one first fin near a downstream end of the air duct, the at least one first fin extending substantially longitudinally and being rotatably mobile around a substantially longitudinal axis; 
 at least one second fin extending substantially transversely and being rotatably mobile around a substantially transverse axis; and 
 at least one deflector extending substantially transversely upstream of the at least one second fin and being rotatably mobile around a substantially transverse axis of rotation, a downstream end portion of the at least one deflector being fastened to an upstream end portion of the at least one second fin via a hinge so that rotation of the at least one second fin in one direction drives rotation of the at least one deflector in an opposite direction, wherein 
 the axis of rotation of the at least one deflector is slidedly movable along at least one slot of the at least one peripheral wall, said at least one slot extending along a path at least partially not parallel to an upstream-downstream direction of the air duct, and said axis of rotation is movable in rotation in said at least one slot with the at least one deflector. 
 
     
     
       2. The air outlet device according to  claim 1 , wherein the at least one slot follows a path that is at least partially curved. 
     
     
       3. The air outlet device according to  claim 2 , wherein the at least one slot comprises an upstream end portion and a downstream end portion, the upstream end portion extending upstream of the downstream end portion relative to the upstream-downstream direction of the air duct. 
     
     
       4. The air outlet device according to  claim 2 , wherein the at least one slot has a semicircular shape whereof the end portions are arranged on a substantially longitudinal straight line. 
     
     
       5. The air outlet device according to  claim 1 , wherein the air outlet device comprises two longitudinal peripheral walls and two transverse peripheral walls defining the air duct between them, the at least one first fin being mounted rotating between the two transverse peripheral walls, and the at least one second fin and the at least one deflector being mounted rotating between the two longitudinal peripheral walls, said two longitudinal peripheral walls each including the at least one slot in which the axis of rotation of the at least one deflector is mounted, there thus being two slots, said two slots extending opposite each other. 
     
     
       6. The air outlet device according to  claim 1 , wherein the at least one first fin comprises a plurality of first fins extending substantially longitudinally one first fin above the other first fin, said plurality of first fins being rotatably secured around the substantially longitudinal axes. 
     
     
       7. The air outlet device according to  claim 5 , wherein the at least one second fin comprises a plurality of second fins extending substantially transversely next to each other, said plurality of second fins being rotatably secured around the substantially transverse axes, the downstream end portion of the deflector being fastened to the upstream end portion of one of said second fins. 
     
     
       8. The air outlet device according to  claim 7 , wherein the downstream end portion of the deflector is fastened to the upstream end portion of a second fin of the plurality of second fins extending near one of the transverse peripheral walls. 
     
     
       9. The air outlet device according to  claim 8 , wherein a first second fin of the plurality of second fins is inserted between the transverse peripheral wall and a second second fin of the plurality of second fins whereof the upstream portion is fastened to the downstream end portion of the at least one deflector. 
     
     
       10. The air outlet device according to  claim 5 , wherein an upstream end portion of the at least one deflector is arranged to bear against one of the transverse peripheral walls in an extreme position of the at least one second fin so that the at least one deflector plugs part of the air duct in that position. 
     
     
       11. A motor vehicle dashboard, said dashboard comprising at least one air outlet opening, connected to a motor vehicle ventilation system, wherein an air outlet device according to  claim 1  is arranged in said opening so as to control a direction of air flow leaving said ventilation system. 
     
     
       12. The air outlet device according to  claim 2 , wherein the air outlet device comprises two longitudinal peripheral walls and two transverse peripheral walls defining the air duct between them, the at least one first fin being mounted rotating between the two transverse peripheral walls, and the at least one second fin and the at least one deflector being mounted rotating between the two longitudinal peripheral walls, said two longitudinal peripheral walls each including the at least one slot in which the axis of rotation of the at least one deflector is mounted, there thus being two slots, said two slots extending opposite each other. 
     
     
       13. The air outlet device according to  claim 2 , wherein the at least one first fin comprises a plurality of first fins extending substantially longitudinally one first fin above the other first fin, said plurality of first fins being rotatably secured around the substantially longitudinal axes. 
     
     
       14. The air outlet device according to  claim 1 , wherein the at least one second fin comprises a plurality of second fins extending substantially transversely next to each other, said plurality of second fins being rotatably secured around the substantially transverse axes, the downstream end portion of the deflector being fastened to the upstream end portion of one of said second fins. 
     
     
       15. The air outlet device according to  claim 2 , wherein the at least one second fin comprises a plurality of second fins extending substantially transversely next to each other, said plurality of second fins being rotatably secured around the substantially transverse axes, the downstream end portion of the deflector being fastened to the upstream end portion of one of said second fins. 
     
     
       16. The air outlet device according to  claim 3 , wherein the air outlet device comprises two longitudinal peripheral walls and two transverse peripheral walls defining the air duct between them, the at least one first fin being mounted rotating between the two transverse peripheral walls, and the at least one second fin and the at least one deflector being mounted rotating between the two longitudinal peripheral walls, said two longitudinal peripheral walls each including the at least one slot in which the axis of rotation of the at least one deflector is mounted, there thus being two slots, said two slots extending opposite each other. 
     
     
       17. The air outlet device according to  claim 3 , wherein the at least one first fin comprises a plurality of first fins extending substantially longitudinally one first fin above the other first fin, said plurality of first fins being rotatably secured around the substantially longitudinal axes. 
     
     
       18. The air outlet device according to  claim 3 , wherein the at least one second fin comprises a plurality of second fins extending substantially transversely next to each other, said plurality of second fins being rotatably secured around the substantially transverse axes, the downstream end portion of the deflector being fastened to the upstream end portion of one of said second fins.